| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 17820.0 | USD | 20210323 |
| Unknown | China national standards | MT | 2310.0 | USD | 20210321 |
| Unknown | China national standards | MT | 18130.0 | USD | 20210321 |
| Unknown | China national standards | MT | 2770.0 | USD | 20210320 |
| Unknown | China national standards | MT | 18300.0 | USD | 20210319 |
| Unknown | China national standards | MT | 2800.0 | USD | 20210317 |
| Unknown | China national standards | MT | 18810.0 | USD | 20210316 |
| Unknown | China national standards | MT | 2850.0 | USD | 20210315 |
| Unknown | China national standards | MT | 2930.0 | USD | 20210314 |
| Unknown | China national standards | MT | USD | 20210313 |